My password and username how can i get my username and password back

SOURCE: Changing username/password

Go in as an administrator ... go to control panel ... user accounts ... change name

SOURCE: i know my google user

someone might of changed your password on you as a prank. i suggest clicking forgot my password and follow those steps to get your email back.

SOURCE: commputer gone back to factory settings will not accept my user name or password

You might have some viruses and malware....

Start your PC and press F8 several times until the boot menu comes up. Then select "Safe Mode with Networking". Now get some or ALL of the FREE programs below.

Download, Install and Run Malwarebytes Anti-Malware:
http://majorgeeks.com/download.php?det=5756
When Installing choose the non-pro version.

Download, Unzip, Install and Run TDSSKiller:
http://majorgeeks.com/Kaspersky_TDSSKiller_d6895.html

Download, Install and Run Super Anti-Spyware:
http://majorgeeks.com/SUPERAntiSpyware_d5116.html

If you have an outdated Anti-virus program then Download, Install and Run Avira Anti-Virus:
http://majorgeeks.com/Avira_AntiVir_Personal_-_FREE_Antivirus_d955.html
Make sure to select ALL of the "threat categories" when you install or configure Avira...

You should be in pretty good shape if you run and install all of these programs.

SOURCE: my user name and password not recognized

You can remove or change the Window's User or administrator's password and privileges. You need access to a computer with Internet access to download the Hiren's Boot CD and burn it onto a CD. Then insert this CD into the laptop/computer and boot up the laptop/computer with the Hiren's CD and follow the instructions. There are very useful utilities CD and it a Linux boot CD which contains quite a lot of Utility programs including a password removal program. Click on one of these links to download HIREN'S BOOTCD :- http://www.hirensbootcd.net/ http://67.20.82.163/